Negative pressure inlet air cooling device for hanging cylinder of Maerz kiln
A technology of cooling device and hanging cylinder, which is applied in the direction of furnace cooling, furnace, lighting and heating equipment, etc., can solve the problems of low kiln production stability and high production operation risk, and achieve production operation risk reduction, maintenance safety guarantee, The effect of improving production stability
Active Publication Date: 2022-07-05
广西柳钢新材料科技有限公司 +1
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Problems solved by technology
[0006] The problem to be solved by the present invention is to provide a Maerz kiln hanging cylinder negative pressure air inlet cooling device to solve the problems of high production and operation risk and low kiln production stability of the existing Maerz kiln with hanging cylinder
Method used
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Embodiment Construction
[0021] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:
[0022] like image 3 The negative pressure inlet air cooling device for the suspension cylinder of the Maerz kiln shown includes two suspension cylinders 3 connected in parallel through the suspension cylinder air inlet pipe 9 through the suspension cylinder air inlet pipe 2, and the air outlet pipe 4 of the two suspension cylinders 3. Connected dust collector box 18. The air outlet pipes 4 of the two suspension cylinders are combined and connected to an electronic thermometer 10, and then divided into branch 1, branch 2 and branch 3. The branch circuit 1 connects the dust collector box 18 and the flue gas dust removal induced draft fan 19 in turn after passing through the electric regulating valve 14. A bypass branch extends between the electric regulating valve 14 of the branch circuit 1 and the dust collector box body 18, and the side branch is...
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The invention discloses a negative pressure air inlet cooling device for a suspension cylinder of a Myertz kiln, which comprises two suspension cylinders connected in parallel through an air inlet pipe of the suspension cylinder, and a dust collector box connected with the air outlet pipes of the two suspension cylinders. After the air outlet pipe is merged, it is divided into three branches. The first branch is connected to the dust collector box and the flue gas dedusting induced draft fan through the electric regulating valve one, and the second branch is connected to the suspension cylinder induced draft fan through the pneumatic valve one. And the electric valve, there is a branch circuit between the pneumatic valve 1 and the suspension cylinder induced draft fan to connect the regulating valve 1 of the branch circuit 1 and the dust collector box. The branch road is provided with a pneumatic valve 2, and the branch circuit 3 passes through a manual valve. One is connected with a diesel fan and a manual valve in turn. Two, the cooling process includes: normal operation, setting the suspension cylinder induced draft fan to enable the cooling mode and the suspension cylinder induced draft fan to deactivate the cooling mode. The invention can solve the problems of high production and operation risk and low production stability of the existing Maerz kiln with hanging cylinder type.
Description
technical field [0001] The invention relates to the technical field of iron and steel manufacturing equipment manufacturing, in particular to a negative pressure air inlet cooling device used for a hanging cylinder of a Maerz kiln. Background technique [0002] The hanging cylinder system is the key core equipment of the Maerz kiln, so its cooling device is very important, such as figure 1 , figure 2 As shown, the suspension cylinder fan group 1 including a plurality of fans in parallel is divided into two branches after the air inlet pipe 2 of the suspension cylinder 2 is connected in parallel, and the air outlet pipe 4 of the two suspension cylinders 3 is merged and connected. The branch is connected to the combustion-supporting air duct 6 through the shut-off valve 1 5, and in turn passes through the Maerz kiln combustion-supporting air reversing valve 24 and the kiln body flue gas extraction pipe, and connects the dust collector box 18 and the flue gas dust collector 2...
Claims
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IPC IPC(8): F27D9/00F27D17/00
CPCF27D9/00F27D17/008F27D2009/0005Y02P10/25
Inventor 李磊唐文华覃芳军覃韦崴马琨琨陈小勇张领黄尚凌杨英礼黄龙杰
Owner 广西柳钢新材料科技有限公司